Full Terms & Conditions of access and use can be found at https://www.tandfonline.com/action/journalInformation?journalCode=rael20 Applied Economics Letters ISSN: (Print) (Online) Journal homepage: https://www.tandfonline.com/loi/rael20 A new combination of Fourier unit root tests: a PPP application for fragile economies Fatma Zeren & Fatma Kızılkaya To cite this article: Fatma Zeren & Fatma Kızılkaya (2020): A new combination of Fourier unit root tests: a PPP application for fragile economies, Applied Economics Letters, DOI: 10.1080/13504851.2020.1851647 To link to this article: https://doi.org/10.1080/13504851.2020.1851647 Published online: 30 Nov 2020. Submit your article to this journal Article views: 11 View related articles View Crossmark data